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The following list summarises the gases included in the standard material database and their properties.
Gas |
Properties |
Air @ 25°C, atmospheric pressure |
Density - 1100 kg m-3 Specific Heat Capacity - 480 kJ m-3 K-1 Thermal Conductivity - 0.025 W m-1 K-1 Mean Free Path - 0.072222782 μm Diffusion Coefficient - Molecule Radius - 0.000178459 μm |
Nitrogen @ 20°C, atmospheric pressure |
Density - 1100 kg m-3 Specific Heat Capacity - 480 kJ m-3 K-1 Thermal Conductivity - 0.025 W m-1 K-1 Mean Free Path - 0.072222782 μm Diffusion Coefficient - Molecule Radius - 0.000178459 μm |
Nitrogen @ 25°C, atmospheric pressure |
Density - 1100 kg m-3 Specific Heat Capacity - 480 kJ m-3 K-1 Thermal Conductivity - 0.025 W m-1 K-1 Mean Free Path - 0.072222782 μm Diffusion Coefficient - Molecule Radius - 0.000178459 μm |
Carbon Dioxide @ 25°C, atmospheric pressure |
Density - 1100 kg m-3 Specific Heat Capacity - 480 kJ m-3 K-1 Thermal Conductivity - 0.025 W m-1 K-1 Mean Free Path - 0.072222782 μm Diffusion Coefficient - Molecule Radius - 0.000178459 μm |
Carbon Dioxide @ 640°C, 39 atmospheres |
Density - 1100 kg m-3 Specific Heat Capacity - 480 kJ m-3 K-1 Thermal Conductivity - 0.025 W m-1 K-1 Mean Free Path - 0.072222782 μm Diffusion Coefficient - Molecule Radius - 0.000178459 μm |
Methane @ 25°C, atmospheric pressure |
Density - 1100 kg m-3 Specific Heat Capacity - 480 kJ m-3 K-1 Thermal Conductivity - 0.025 W m-1 K-1 Mean Free Path - 0.072222782 μm Diffusion Coefficient - Molecule Radius - 0.000178459 μm |
Oxygen @ 25°C, atmospheric pressure |
Density - 1100 kg m-3 Specific Heat Capacity - 480 kJ m-3 K-1 Thermal Conductivity - 0.025 W m-1 K-1 Mean Free Path - 0.072222782 μm Diffusion Coefficient - Molecule Radius - 0.000178459 μm |
Argon @ 25°C, atmospheric pressure |
Density - 1100 kg m-3 Specific Heat Capacity - 480 kJ m-3 K-1 Thermal Conductivity - 0.025 W m-1 K-1 Mean Free Path - 0.072222782 μm Diffusion Coefficient - Molecule Radius - 0.000178459 μm |
Helium @ 25°C, atmospheric pressure |
Density - 1100 kg m-3 Specific Heat Capacity - 480 kJ m-3 K-1 Thermal Conductivity - 0.15016 W m-1 K-1 Mean Free Path - 0.072222782 μm Diffusion Coefficient - Molecule Radius - 0.000178459 μm |
i-Butane @ 25°C, atmospheric pressure |
Density - kg m-3 Specific Heat Capacity - kJ m-3 K-1 Thermal Conductivity - 0.01657 W m-1 K-1 Surface Tension - 0.00984 N m-1 Mean Free Path - 0.028864054 μm Diffusion Coefficient - Molecule Radius - 0.00028145 μm |